PHP Arrays What functions count elements in an array?1. count2. Sizeof3. Array_Count4. Count_array Option 1 and 2 Option 3 and 4 Option 1 and 4 Option 2 and 4 Option 1 and 2 Option 3 and 4 Option 1 and 4 Option 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays Which function can be used to move the pointer to the previous array position? prev() last() previous() before() prev() last() previous() before() ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays Assume you would like to sort an array in ascending order by value while preserving key associations. Which of the following PHP sorting functions would you use? asort() krsort() sort() usort() ksort() asort() krsort() sort() usort() ksort() ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code?$a1 = array("a"=>"red", "b"=>"green", "c"=>"blue", "d"=>"yellow");$a2 = array("e"=>"red", "f"=>"green", "g"=>"blue");$result = array_diff($a1, $a2);print_r($result); Array ( [d] => yellow ) Array ( [e] => yellow ) Array ( [c] => blue ) Array ( [a] => red ) Array ( [d] => yellow ) Array ( [e] => yellow ) Array ( [c] => blue ) Array ( [a] => red ) ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What elements will the following script output?$array = array (true => 'a', 1 => 'b');var_dump ($array); None 1 => 'b' It will output NULL True => 'a', 1 => 'b' None 1 => 'b' It will output NULL True => 'a', 1 => 'b' ANSWER DOWNLOAD EXAMIANS APP
PHP Arrays What will be the output of the following PHP code ?$a = array(12, 5, 2);echo(array_product($a)); 010 120 060 024 010 120 060 024 ANSWER DOWNLOAD EXAMIANS APP
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